using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var num = new int[n - 1];
        for (var i = 0; i < num.Length; ++i) num[i] = i + 2;
        var exp = new bool[n];
        WriteLine($"? {n - 1}");
        WriteLine(string.Join(" ", num));
        var a = NN;
        if (a == 0) exp[0] = true;
        num[0] = 1;
        for (var i = 1; i < n; ++i)
        {
            WriteLine($"? {n - 1}");
            WriteLine(string.Join(" ", num));
            a = NN;
            if (a == 0) exp[i] = true;
            if (i < num.Length) num[i] = i + 1;
        }
        var ans = new List<int>();
        for (var i = 0; i < n; ++i) if (exp[i]) ans.Add(i + 1);
        WriteLine($"! {ans.Count}");
        WriteLine(string.Join(" ", ans));
    }
}